About this river
Willamette River is a 3.9 mile river near Oregon River Runners in Oregon. Streamflow is measured at the USGS gauge Coast Fork Willamette River near Goshen, OR (site 14157500). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1906 to 2025
Willamette River typically runs highest in January, at a median 2,470 cfs, and lowest in August, at 175 cfs. The highest flow on record for any single day is 36,500 cfs, in 1907.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 2,470 | 1,200 to 4,990 | |
| February | 1,750 | 900 to 3,490 | |
| March | 1,550 | 795 to 2,960 | |
| April | 1,225 | 612 to 2,060 | |
| May | 597 | 404 to 1,260 | |
| June | 389 | 296 to 671 | |
| July | 181 | 161 to 259 | |
| August | 175 | 146 to 430 | |
| September | 532 | 267 to 677 | |
| October | 756 | 379 to 991 | |
| November | 687 | 317 to 1,915 | |
| December | 2,140 | 875 to 4,710 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 80 years of record. Statistics published by the US Geological Survey for Coast Fork Willamette River near Goshen, OR (site 14157500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Willamette River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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